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Mechanical-to-acoustical transformer and multi-media flat film speaker

  • US 6,720,708 B2
  • Filed: 01/05/2001
  • Issued: 04/13/2004
  • Est. Priority Date: 01/07/2000
  • Status: Active Grant
First Claim
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1. An acoustic transducer that converts a mechanical motion into acoustical energy comprising:

  • a thin sheet diaphragm that is curved in a plane transverse to a first direction, a support that fixes one generally linear portion of said diaphragm along said first direction, and at least one actuator operatively coupled to said diaphragm and generally aligned with, but mutually spaced from said fixed generally linear portion in a second direction transverse to said first direction by a distance that produces a curvature of said diaphragm and that accommodates a movement of said diaphragm that corresponds to the travel of said actuator, said diaphragm movement being amplified with respect to said actuator travel and generally transverse to the direction of said actuator travel.

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